<!DOCTYPE html>
<html>
  <title>Tests cancelWatchAvailability()</title>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/common/media.js"></script>
  <script>
    async_test(t => {
      let v = document.createElement("video");
      v.src = getVideoURI("/media/movie_5");

      v.remote
        .watchAvailability(() => {})
        .then(
          t.step_func(id => {
            v.remote.cancelWatchAvailability(id).then(
              t.step_func(() => {
                v.remote.cancelWatchAvailability(id).then(
                  t.unreached_func(),
                  t.step_func_done(e => {
                    assert_equals(e.name, "NotFoundError");
                  })
                );
              }),
              t.unreached_func()
            );
          }),
          t.unreached_func()
        );
    }, "Test that calling cancelWatchAvailability() with an id does remove the callback, and calling cancelWatchAvailability with a removed id throws NotFoundError.");

    async_test(t => {
      let v = document.createElement("video");
      v.src = getVideoURI("/media/movie_5");

      Promise.all([
        v.remote.watchAvailability(() => {}),
        v.remote.watchAvailability(() => {}),
      ]).then(
        t.step_func(ids =>
          v.remote.cancelWatchAvailability().then(
            t.step_func(() =>
              v.remote.cancelWatchAvailability(ids[0]).then(
                t.unreached_func(),
                t.step_func(e => {
                  assert_equals(e.name, "NotFoundError");
                  v.remote.cancelWatchAvailability(ids[1]).then(
                    t.unreached_func(),
                    t.step_func_done(e =>
                      assert_equals(e.name, "NotFoundError")
                    )
                  );
                })
              )
            ),
            t.unreached_func()
          )
        ),
        t.unreached_func()
      );
    }, "Test that calling cancelWatchAvailability() without an id removes all the callbacks, and calling cancelWatchAvailability() with a removed id throws NotFoundError.");
  </script>
</html>
